code: def _project(self, joints_3d):
      if self.is_generic_baseline:
          return joints_3d[..., :2]
  
      if self.is_surreal:
          joints_2d = torch.clamp(
              joints_3d[..., :2] / joints_3d[..., 2:],
              min=-0.25,
              max=0.25,
          )
      elif not self.is_mpi:
          joints_2d = torch.clamp(
              joints_3d[..., :2] / joints_3d[..., 2:], min=-0.2, max=0.2
          )
      else:
          joints_2d = torch.clamp(
              joints_3d[..., :2] / joints_3d[..., 2:],
              min=-0.35,
              max=0.35,
          )
      return joints_2d
  
imports: import torch
  import torch.nn
  import numpy
  import pickle
  from lib.utils.misc import init_weights, load_pickle
  from lib.utils.utils import Transform3D, transform_3d, transform_3d_v2
  from lib.models.building_blocks import ResBlock
  from lib.models.scaler import get_scaler
  from lib.models.rotater import get_rotater
  from lib.models.lifter import get_lifter_before, get_lifter_after
  from lib.models.simple_model import LinearModelBefore, LinearModelAfter, Linear
  from lib.utils.utils import rotate, rotate2
label_desc: Use image node_id 2 for calling the PoseModel obj's underlying member method code with example usage: obj._project(joints_3d) and returns: joints_2d, joints_3d